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[email protected]CVE-2021-38496

HistoryNov 03, 2021 - 1:15 a.m.

CVE-2021-38496

2021-11-0301:15:00

CWE-416

[email protected]

web.nvd.nist.gov

160

cve-2021-38496

memory corruption

thunderbird

firefox

nvd

vulnerability

exploitable crash

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.002 Low

EPSS

Percentile

60.3%

JSON

During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

VendorProductVersionCPE
mozillathunderbird*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozillathunderbird*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozillafirefox_esr*cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozillafirefox_esr*cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mozilla	thunderbird	*	cpe:2.3:a:mozilla:thunderbird::::::::
mozilla	thunderbird	*	cpe:2.3:a:mozilla:thunderbird::::::::
mozilla	firefox_esr	*	cpe:2.3:a:mozilla:firefox_esr::::::::
mozilla	firefox_esr	*	cpe:2.3:a:mozilla:firefox_esr::::::::
mozilla	firefox	*	cpe:2.3:a:mozilla:firefox::::::::